The next generation of AR magazines has arrived at TAPCO with their AR Generation II 30-Round Magazine. The magazine has kept its original rugged body, but has undergone vast interior component changes to improve the overall functionality. New features include, a spring made out of premium 17-7 stainless steel, redesigned shape that is smoother, quieter, and easier to load. This 30-round mag's spring tension cuts back on stress put on the body to reduce the likelihood of spine cracks. Generation II has an anti-tilt design that ensures dirt and grime passes through the magazine, so there won't be feeding errors.